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Anestetic [448]
3 years ago
9

A sphere has a diameter of 8 cm. Which statements about the sphere are true? Check all that apply.

Mathematics
2 answers:
Natalija [7]3 years ago
6 0

Answer:

Step-by-step explanation:

diameter/2=radius

if diameter=8cm, then radius=8/2=4 (A is corect)

also, C is correct

V=(4/3)(pi)(r^3)=(4/3)(3.14158265)(4^3)=256/3 pi cm^3 so answer is F

A, C, and F are the answers

Inessa [10]3 years ago
4 0

The answers are the first, third, and last. I took the test.

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Solve for x: -6(x + 4) + 9 > -5(x + 6)
devlian [24]

Answer:

x < 15

Step-by-step explanation:

Let's first expand the parentheses on both sides. Remember that when expanding parentheses, the result will be the sum of the products of the "outside number" with each of the "inside number".

On the left, the parenthetical expression is: -6(x + 4). Here, the outside term is -6 and the inside terms are x and 4. So:

-6(x + 4) = -6 * x + (-6) * 4 = -6x - 24

On the right, the parenthetical expression is: -5(x + 6). Here, the outside term is -5 and the inside terms are x and 6. So:

-5(x + 6) = -5 * x + (-5) * 6 = -5x - 30

Now put these back in:

-6(x + 4) + 9 > -5(x + 6)

-6x - 24 + 9 > -5x - 30

-6x - 15 > -5x - 30

x < 15

Thus the answer is x < 15.

Hope this helps!

3 0
3 years ago
Simplify the exponential expression. (−8) 2 =
sweet-ann [11.9K]

Answer:

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Step-by-step explanation:

6 0
3 years ago
The figure shows the dimensions of a metal sign. The shaded part of the sign is painted blue.
Sonja [21]

Step-by-step explanation:

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large area :

12 × 15 / 2 = 6 × 15 = 90 ft²

small area :

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the shaded area is

90 - 40 = 50 ft²

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Answer:15 is the answer. Product is what you get when you multiply two or more numbers together. In this case, the factors are 3 and 5. 3 x 5 = 15

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3 years ago
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